The MetroPipe Portable Virtual Privacy machine contains a complete portable virtual Linux machine with privacy-enabled Open Source Internet applications. No installation needed - just plug the drive into any Windows or Linux computer, and click on the Virtual Privacy Machine icon and you're ready to go.

I was able to get this working but even on a laptop with 1.6 MHZ P4 mobile processor and 1 GIG of ram it was too slow to be usable. I noticed that requests for app to start were peging my CPU. I know this is a work in progress and keep my eye on the development. It seems like a great idea to me.